Small air-cooled engine assembly with dry sump lubrication system
US-12416252-B2 · Sep 16, 2025 · US
Casings for small engines, especially with crankcase pumps
Casings for small engines, especially with crankcase pumps · Cooperative Patent Classification (CPC)
Engines, pumps, lighting, heating, and mechanical systems.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | F02F7/0039 |
| Official title | {Casings for small engines, especially with crankcase pumps} |
| Display label | Casings for small engines, especially with crankcase pumps |
| Total patents | 39 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 2 |
| 2016 | 2 |
| 2017 | 6 |
| 2018 | 7 |
| 2019 | 2 |
| 2020 | 6 |
| 2021 | 10 |
| 2022 | 3 |
| 2025 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Small air-cooled engine assembly with dry sump lubrication system
US-2022228517-A1 · Jul 21, 2022 · US
Small air-cooled engine assembly with dry sump lubrication system
US-11293312-B2 · Apr 5, 2022 · US
Hybrid vehicle
US-11273698-B2 · Mar 15, 2022 · US
Engine device
US-11143139-B2 · Oct 12, 2021 · US
Engine
US-11073078-B2 · Jul 27, 2021 · US
Hybrid vehicle
US-11002229-B2 · May 11, 2021 · US
Engine
US-10995696-B2 · May 4, 2021 · US
Crankcase for a reciprocating piston engine, in particular of a motor vehicle
US-10989139-B2 · Apr 27, 2021 · US
Internal combustion engine
US-10968863-B2 · Apr 6, 2021 · US
Assembling structure of engine and vehicle
US-10960930-B2 · Mar 30, 2021 · US
Engine
US-2021047962-A1 · Feb 18, 2021 · US
Hybrid vehicle
US-2021003105-A1 · Jan 7, 2021 · US
Hybrid vehicle
US-2021001707-A1 · Jan 7, 2021 · US
Engine device
US-2020309062-A1 · Oct 1, 2020 · US
Internal combustion engine
US-2020309061-A1 · Oct 1, 2020 · US
Small air-cooled engine assembly with dry sump lubrication system
US-10724406-B2 · Jul 28, 2020 · US
Installation structure of oil control valve unit and vehicle
US-2020049032-A1 · Feb 13, 2020 · US
Assembling structure of engine and vehicle
US-2020047814-A1 · Feb 13, 2020 · US
Engine
US-2020011269-A1 · Jan 9, 2020 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC F02F7/0039?
- CPC F02F7/0039 is the Cooperative Patent Classification code for “Casings for small engines, especially with crankcase pumps.”
- How many patents are filed under CPC F02F7/0039 (Casings for small engines, especially with crankcase pumps)?
- Our database includes 39 publications tagged with this CPC code.
- Is patent activity under CPC F02F7/0039 growing?
- Publication counts under this code: 3 in 2022 vs 1 in 2025 (latest complete years).